20915671400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{120067}}^1$

素因数の和:120163

約数の個数: 96

約数和(自身を含む): 53151702240

約数和(自身を除く): 32236030840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 67, 100, 104, 130, 134, 200, 260, 268, 325, 335, 520, 536, 650, 670, 871, 1300, 1340, 1675, 1742, 2600, 2680, 3350, 3484, 4355, 6700, 6968, 8710, 13400, 17420, 21775, 34840, 43550, 87100, 120067, 174200, 240134, 480268, 600335, 960536, 1200670, 1560871, 2401340, 3001675, 3121742, 4802680, 6003350, 6243484, 7804355, 8044489, 12006700, 12486968, 15608710, 16088978, 24013400, 31217420, 32177956, 39021775, 40222445, 62434840, 64355912, 78043550, 80444890, 104578357, 156087100, 160889780, 201112225, 209156714, 312174200, 321779560, 402224450, 418313428, 522891785, 804448900, 836626856, 1045783570, 1608897800, 2091567140, 2614458925, 4183134280, 5228917850, 10457835700, 20915671400]

約数ペア:

[(1, 20915671400), (2, 10457835700), (4, 5228917850), (5, 4183134280), (8, 2614458925), (10, 2091567140), (13, 1608897800), (20, 1045783570), (25, 836626856), (26, 804448900), (40, 522891785), (50, 418313428), (52, 402224450), (65, 321779560), (67, 312174200), (100, 209156714), (104, 201112225), (130, 160889780), (134, 156087100), (200, 104578357), (260, 80444890), (268, 78043550), (325, 64355912), (335, 62434840), (520, 40222445), (536, 39021775), (650, 32177956), (670, 31217420), (871, 24013400), (1300, 16088978), (1340, 15608710), (1675, 12486968), (1742, 12006700), (2600, 8044489), (2680, 7804355), (3350, 6243484), (3484, 6003350), (4355, 4802680), (6700, 3121742), (6968, 3001675), (8710, 2401340), (13400, 1560871), (17420, 1200670), (21775, 960536), (34840, 600335), (43550, 480268), (87100, 240134), (120067, 174200)]